<template>
  <McLayout class="container">
    <McHeader :title="'MateChat'" :logoImg="'https://matechat.gitcode.com/logo.svg'">
      <template #operationArea>
        <div class="operations">
          <i class="icon-helping"></i>
        </div>
      </template>
    </McHeader>
    <McLayoutContent
      v-if="startPage"
      style="display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px"
    >
      <McIntroduction
        :logoImg="'https://matechat.gitcode.com/logo2x.svg'"
        :title="'MateChat'"
        :subTitle="'Hi，欢迎使用 MateChat'"
        :description="description"
      ></McIntroduction>
      <McPrompt
        :list="introPrompt.list"
        :direction="introPrompt.direction"
        class="intro-prompt"
        @itemClick="onSubmit($event.label)"
      ></McPrompt>
    </McLayoutContent>
    <McLayoutContent v-else>
      <template v-for="(msg, idx) in messages" :key="idx">
        <McBubble
          v-if="msg.from === 'user'"
          :content="msg.content"
          :align="'right'"
          :avatarConfig="{ imgSrc: 'https://matechat.gitcode.com/png/demo/userAvatar.svg' }"
        >
        </McBubble>
        <McBubble v-else :content="msg.content" :avatarConfig="{ imgSrc: 'https://matechat.gitcode.com/logo.svg' }"> </McBubble>
      </template>
    </McLayoutContent>
    <div class="shortcut" style="display: flex; align-items: center; gap: 8px">
      <McPrompt
        v-if="!startPage"
        :list="simplePrompt"
        :direction="'horizontal'"
        style="flex: 1"
        @itemClick="onSubmit($event.label)"
      ></McPrompt>
      <d-button
        style="margin-left: auto"
        icon="add"
        shape="circle"
        title="新建对话"
        size="sm"
        @click="
          startPage = true;
          messages = [];
        "
      />
    </div>
    <McLayoutSender>
      <McInput :value="inputValue" :maxLength="2000" @change="(e) => (inputValue = e)" @submit="onSubmit">
        <template #extra>
          <div class="input-foot-wrapper">
            <div class="input-foot-left">
              <span v-for="(item, index) in inputFootIcons" :key="index">
                <i :class="item.icon"></i>
                {{ item.text }}
              </span>
              <span class="input-foot-dividing-line"></span>
              <span class="input-foot-maxlength">{{ inputValue.length }}/2000</span>
            </div>
            <div class="input-foot-right">
              <d-button icon="op-clearup" shape="round" :disabled="!inputValue" @click="inputValue = ''">清空输入</d-button>
            </div>
          </div>
        </template>
      </McInput>
    </McLayoutSender>
  </McLayout>
</template>

<script setup lang="ts">
import { ref } from 'vue';

const description = [
  'MateChat 可以辅助研发人员编码、查询知识和相关作业信息、编写文档等。',
  '作为AI模型，MateChat 提供的答案可能不总是确定或准确的，但您的反馈可以帮助 MateChat 做的更好。',
];
const introPrompt = {
  direction: 'horizontal',
  list: [
    {
      value: 'quickSort',
      label: '帮我写一个快速排序',
      iconConfig: { name: 'icon-info-o', color: '#5e7ce0' },
      desc: '使用 js 实现一个快速排序',
    },
    {
      value: 'helpMd',
      label: '你可以帮我做些什么？',
      iconConfig: { name: 'icon-star', color: 'rgb(255, 215, 0)' },
      desc: '了解当前大模型可以帮你做的事',
    },
    {
      value: 'bindProjectSpace',
      label: '怎么绑定项目空间',
      iconConfig: { name: 'icon-priority', color: '#3ac295' },
      desc: '如何绑定云空间中的项目',
    },
  ],
};
const simplePrompt = [
  {
    value: 'quickSort',
    iconConfig: { name: 'icon-info-o', color: '#5e7ce0' },
    label: '帮我写一个快速排序',
  },
  {
    value: 'helpMd',
    iconConfig: { name: 'icon-star', color: 'rgb(255, 215, 0)' },
    label: '你可以帮我做些什么？',
  },
];
const startPage = ref(true);
const inputValue = ref('');
const inputFootIcons = [
  { icon: 'icon-at', text: '智能体' },
  { icon: 'icon-standard', text: '词库' },
  { icon: 'icon-add', text: '附件' },
];

const messages = ref<any[]>([
  {
    from: 'user',
    content: '你好',
  },
  {
    from: 'model',
    content: '你好，我是 MateChat',
    id: 'init-msg',
  },
]);

const onSubmit = (evt) => {
  startPage.value = false;
  // 用户发送消息
  messages.value.push({
    from: 'user',
    content: evt,
  });
  setTimeout(() => {
    // 模型返回消息
    messages.value.push({
      from: 'model',
      content: evt,
    });
  }, 200);
};
</script>

<style>
.container {
  width: 1000px;
  margin: 0 auto;
  height: 100vh;
  padding: 20px;
  gap: 8px;
  background: #fff;
}

.input-foot-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  height: 100%;
  margin-right: 8px;

  .input-foot-left {
    display: flex;
    align-items: center;
    gap: 8px;

    span {
      font-size: var(--devui-font-size-sm);
      color: var(--devui-text);
      cursor: pointer;
    }

    .input-foot-dividing-line {
      width: 1px;
      height: 14px;
      background-color: var(--devui-line);
    }

    .input-foot-maxlength {
      font-size: var(--devui-font-size-sm);
      color: var(--devui-aide-text);
    }
  }

  .input-foot-right {
    & > *:not(:first-child) {
      margin-left: 8px;
    }
  }
}
</style>
